TextureCube<float4> SkyboxTexture : register(t0, space2);
SamplerState SkyboxSampler : register(s0, space2);

cbuffer Uniforms : register(b0, space3)
{
    float brightnessFactor;
};

struct PixelOutput {
    float4 Color : SV_Target0;  // First render target
    float4 Emissive : SV_Target1;  // Second render target
};

PixelOutput main(float3 TexCoord : TEXCOORD0)
{
    //return pow(SkyboxTexture.Sample(SkyboxSampler, TexCoord) * 4.0, 1.0/2.2);
    PixelOutput o;
    o.Color = SkyboxTexture.Sample(SkyboxSampler, TexCoord) * brightnessFactor;

    if(length(o.Color) > 1.0)
    {
        o.Emissive = o.Color;
    }

    return o;
}